We have (a) computer room in our school,and wo are going to build (a) second one.

分类: 作业答案 • 2021-12-28 10:57:18

问题描述：

We have (a) computer room in our school,and wo are going to build (a) second one.
为什么这么填?

答

room是当可数名词讲时,其前面不加a,后面就要用rooms.或者说当表示单数时必须加冠词,表示复数时后面用复数形式,当然前面的a就不用了.